Fanning-mill



(No Model.)

H. SUMMERFBLD.

FANNING MILL.

,944- Patented Mar. 22, 1887.

n 00 000000 000 000000 O v 000 0 00000 0000 0000 Y 000 0000000 n, PETERS hmumgnpewh wmamm im;

UNITED Srnrns PATnNr HEIN RIH SUllIMERFELD, OF CANTON, ASSIGNOR TO JOHN C. HAMILTON, OF MCPIIERSON, KANSAS.

FANNlNG-MILL.

SPECIFICATION forming part of Letters Patent No. 359,944, dated March 22, 1887.

Serial No. 212,639. (No model.)

To all whom it may concern.-

Be it known that I, Heinlein: SUMMERFELD, a citizen of the United States, residing at Canton, in the county of McPherson and State of Kansas, have invented certain new and useful Improvements in Fanning-Mills; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to improvements in fanning-mills or grain-separators, particularly that class intended to be operated by hand power, in which the grain as it passes through a series of vibrating screens ot'varying iineness is subjected to a blast of air from a fan; and my said invention consists in certain details of construction of the parts for accomplishing the desired resille-viz., eftectually cleaning and sorting the grain without complicating the mechanism necessary for this purpose-as will hereinafter more fully appear, and be pointed out in the claims.

The object of this invention is, while bearing in mind the primary object to be accomplished-that of the proper 'cleaning of the grainto reduce the number and simplify the construction of the parts necessary for this pun pose, so as to bring the machine within the reach of farmers of limited means.

For a better understanding of the details of construction and arrangement of the parts of my invention, reference is had to the accompanying drawings, in which- Figure l is a plan view, Fig. 2 aside elevation, and Fig. 3 a vertical central sectional elevation on the line .e :r of Fig. l, of a fanningmill constructed according to my invention. Fig. 4 is a detached perspective view of the pivoted bracket, showing the arms or levers for effecting the desired reciprocating move ment of screens and bottom of hopper.

A A represent the frame of the machine, within which, at one end, is arranged the fan B, at its top the hopper C, and centrally'therein the screens D and E. These screensD and E are arranged at different inclinations, are of different degrees of mesh, discharge at opposite ends of the machine, and both have a lon- 5o gitudinallyreciprocating motion. The top screen, I), is suspended at its outer end by cords d,wound upon a shaft, F, and at the center of its inner end by a vertical bar, G, pivoted thereto, and -through which it receives its movement, as will presently appear. The outer end of the lower and finer screen, E, rests upon a roller, e, and at its inner end it is supported upon and receives its motion from an arm, H, of the bracket shown in Fig. 4. The vertically-arranged bar G,for operating the top 6o screen, is hinged or pivoted at its bottom end to a cross-piece, G', and about its central portion is secured to a link, I, which in turn is secured toa short arm, J, ofthe bracket shown in Fig. 4. This bracket, Fig. 4, is employed to communicate the proper reciprocating motion both to the screens and bottom of the hopper, is made vibrating from the fan-shaft, and consists of a vertically-arranged post, K, havingjournals 7c la at each end, which are received 70 in bearings k k' at the top and bottom of the frame or casing, as seen in Fig. 2, and three laterallyprojecting arms, H, J, and L, to the outer end of the one H of which the pitman M from the crank b of the fan-shaft bis secured, whereby the necessary movement of the parts is e'ected. Said arms are connected to the lower and upper screens and bottom of the hopper,respectively,wherebythe necessary reciprocating motion of these parts is imparted Se thereto from the fan-shaft. y

As before stated, the outer end of the arm H is secured to the pitman M of the fanshaft,l and at its central portion it is secured by a pin, m, to the lower screen, E, whereby motion is imparted to said screen, and also to the post K, and in turn to the arm J, and thence, through link I and bar G, to the upper screen, and, through the arm L and connection Z, to the bottom C of the hopper C. This bottom of the go hopper is suspended upon cords .fr at each end, as shown in dotted lines, Figs. l and 3, and inclines slightly forward, so as to discharge upon the screen D. At the front of the hopper is arranged a gate, N, for regulating the amount of feed from the hopper to the screens, and themovement of this bottom is transversely of the machine, or at right angles to the direction of motion of the screens.

O is the hand power-wheel, connected by roo shaft has upon its end a ratchetwlieehf, which is engaged by a pawl, f', so that the elevation or depression of the front of said screen D may be effected, in. order to give to the same a greater'or less degree of inclination.

The operation isas follows: Motion being` imparted to hand-Wh eel O, and from thence to the fan B and post K, and through its arms to the screens and bottom vof the hopper, the agitation of said bottom C' causes a gradual and evenfeeding of kthe grain across the Width of thescreen D. As the grain flows from the hopper upon and through the screen D, the blast from the fan acts upon it and carries off the chaff and other lighter particles. Falling through this screen the grain is still subjected to the airblast, and, striking upon the lower screen,'E, itis discharged at the end of themachine, whileithe lighter particles and smaller grains pass through said screen E and fall beneath the machine.

The roller-bearing e at the lower end of the screen E permits a free and easy movement of saidscreen, and by reason of the adjustment` of the outer end of the top screen the grain may be longer subjected to the airblast.

Having now fully described my invention,

WhatI claim as new therein, and desire to se` eure by Letters Patent of the United States, is as follows, viz:

1. A fanning-Inill comprising the frame A, hopper C, fau B, fan-shaft` 1b, hand power- Wheel O, band P, the laterally-vibrating bottom or shoe `C' of the hopper, longitudinallyvibrating screens D and E, means for adj ust.- ahlysuspending the upper screen at` its outer end, a roller for supporting the lower screen at its outer end, and connecting devices for imparting the motions to the shoe and screen, substantially as described, for the purposes speoied.

2. A farming-mill comprising the frame A, hopper C, fan B, fanfshaft b, power-Wheel O, baud P, the longitudinally-vibrating `screens D andE, discharging at oppositeends ofi the machine, and.transversely-vibrating shoe C' of the hopper, the post K,.arms H, J, and L, the one L being at right angles to the ones `H and J,pin m, vertical bar G, rod I, bar Z, and pitlnan M, all constructed and arranged substantiallyas described, for the purposes specified.

HElNRIH lSUMMERFELD.l

N/Titnesses:

FRANK A. BRIDGE, .,T. R. DEAN. 

